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Darrick J. Wong 28b2be203e block: require write_same and discard requests align to logical block size 
Make sure that the offset and length arguments that we're using to
construct WRITE SAME and DISCARD requests are actually aligned to the
logical block size.  Failure to do this causes other errors in other parts
of the block layer or the SCSI layer because disks don't support partial
logical block writes.

Link: http://lkml.kernel.org/r/147518379026.22791.4437508871355153928.stgit@birch.djwong.org
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Mike Snitzer <snitzer@redhat.com> # tweaked header
Cc: Brian Foster <bfoster@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2016-10-11 15:06:30 -07:00
..
partitions block: atari: Return early for unsupported sector size 2016-07-13 09:31:44 -07:00
Kconfig Merge branch 'for-4.9/block-irq' of git://git.kernel.dk/linux-block 2016-10-09 17:29:33 -07:00
Kconfig.iosched blkcg: make CONFIG_BLK_CGROUP bool 2012-03-06 21:27:21 +01:00
Makefile Merge branch 'for-4.9/block-smp' of git://git.kernel.dk/linux-block 2016-10-09 17:32:20 -07:00
badblocks.c block, badblocks: introduce devm_init_badblocks 2016-01-09 08:39:04 -08:00
bio-integrity.c block: rename bio bi_rw to bi_opf 2016-08-07 14:41:02 -06:00
bio.c block: export bio_free_pages to other modules 2016-09-22 07:48:03 -06:00
blk-cgroup.c block/blk-cgroup.c: Declare local symbols static 2016-06-14 09:09:33 -06:00
blk-core.c block: add poll_considered statistic 2016-09-14 08:41:21 -06:00
blk-exec.c block: Fix spelling in a source code comment 2016-07-20 21:28:22 -06:00
blk-flush.c blk-mq: remove ->map_queue 2016-09-15 08:42:03 -06:00
blk-integrity.c block, libnvdimm, nvme: provide a built-in blk_integrity nop profile 2015-10-21 14:43:45 -06:00
blk-ioc.c mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd 2015-11-06 17:50:42 -08:00
blk-lib.c block: require write_same and discard requests align to logical block size 2016-10-11 15:06:30 -07:00
blk-map.c block: simplify and export blk_rq_append_bio 2016-07-20 17:38:32 -06:00
blk-merge.c block: make sure a big bio is split into at most 256 bvecs 2016-08-24 08:17:24 -06:00
blk-mq-cpumap.c blk-mq: allow the driver to pass in a queue mapping 2016-09-15 08:42:03 -06:00
blk-mq-pci.c blk_mq: linux/blk-mq.h does not include all the headers it depends on 2016-09-19 08:21:51 -06:00
blk-mq-sysfs.c blk-mq: register device instead of disk 2016-09-21 07:56:16 -06:00
blk-mq-tag.c Merge branch 'for-4.9/block-irq' of git://git.kernel.dk/linux-block 2016-10-09 17:29:33 -07:00
blk-mq-tag.h Merge branch 'for-4.9/block-irq' of git://git.kernel.dk/linux-block 2016-10-09 17:29:33 -07:00
blk-mq.c Merge branch 'for-4.9/block-smp' of git://git.kernel.dk/linux-block 2016-10-09 17:32:20 -07:00
blk-mq.h Merge branch 'for-4.9/block-smp' of git://git.kernel.dk/linux-block 2016-10-09 17:32:20 -07:00
blk-settings.c block: kill off q->flush_flags 2016-04-13 13:33:19 -06:00
blk-softirq.c block/softirq: Convert to hotplug state machine 2016-09-19 21:44:28 +02:00
blk-sysfs.c blk-mq: register device instead of disk 2016-09-21 07:56:16 -06:00
blk-tag.c block: support different tag allocation policy 2015-01-23 14:15:46 -07:00
blk-throttle.c blk-throttle: Extend slice if throttle group is not empty 2016-09-19 15:12:41 -06:00
blk-timeout.c block: remove REQ_NO_TIMEOUT flag 2015-12-22 09:38:34 -07:00
blk.h blk-mq: remove ->map_queue 2016-09-15 08:42:03 -06:00
bounce.c Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2015-09-19 18:57:09 -07:00
bsg-lib.c bsg: Remove unused function bsg_goose_queue() 2012-12-06 14:33:02 +01:00
bsg.c block: Simplify bsg complete all 2015-02-04 09:57:52 -07:00
cfq-iosched.c cfq: fix starvation of asynchronous writes 2016-09-23 10:01:24 -06:00
cmdline-parser.c block: remove unrelated header files and export symbol 2014-01-21 20:18:26 -08:00
compat_ioctl.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
deadline-iosched.c block: do not merge requests without consulting with io scheduler 2016-07-20 21:35:12 -06:00
elevator.c block: Fix secure erase 2016-08-16 09:16:51 -06:00
genhd.c block: fix bdi vs gendisk lifetime mismatch 2016-08-04 14:19:16 -06:00
ioctl.c block: invalidate the page cache when issuing BLKZEROOUT 2016-10-11 15:06:30 -07:00
ioprio.c block: fix use-after-free in sys_ioprio_get() 2016-07-01 08:39:24 -06:00
noop-iosched.c elevator: use list_{first,prev,next}_entry 2015-11-16 15:21:48 -07:00
partition-generic.c block/partition-generic.c: Remove a set-but-not-used variable 2016-06-14 09:09:15 -06:00
scsi_ioctl.c mm, page_alloc: rename __GFP_WAIT to __GFP_RECLAIM 2015-11-06 17:50:42 -08:00
t10-pi.c block: Consolidate static integrity profile properties 2015-10-21 14:42:38 -06:00